English

Definition of silica gel noun from the Oxford Advanced Learner's Dictionary

 

silica gel

 noun
noun
BrE BrE//ˈsɪlɪkə dʒel//
 
; NAmE NAmE//ˈsɪlɪkə dʒel//
 
[uncountable]
 
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a substance made from silica in the form of grains, which keeps things dry by absorbing water
See the Oxford Advanced American Dictionary entry: silica gel